Requirement Analysis and Specification
What does Requirements means ?
Requirements means what not How
Here WHAT Specifies
Requirement Engineering refer to the process of defining, documenting and maintaining requirements.
Requirement Engineering is the disciplined application of proven principles, methods, tools and Notations to describe a proposed system's intended behavior and its associated constraints.
Requirement Engineering is the process of finding out, analyzing and documenting, and checking the behavior/ services and constraints.
Requirement Engineering is the process of understanding and defining what services are required from the system and identifying the constraints on the system's operation and development.